diff options
Diffstat (limited to 'arch/avr32/mach-at32ap/pdc.c')
-rw-r--r-- | arch/avr32/mach-at32ap/pdc.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/avr32/mach-at32ap/pdc.c b/arch/avr32/mach-at32ap/pdc.c new file mode 100644 index 000000000000..1040bda4fda7 --- /dev/null +++ b/arch/avr32/mach-at32ap/pdc.c @@ -0,0 +1,48 @@ +/* + * Copyright (C) 2006 Atmel Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/clk.h> +#include <linux/err.h> +#include <linux/init.h> +#include <linux/platform_device.h> + +static int __init pdc_probe(struct platform_device *pdev) +{ + struct clk *pclk, *hclk; + + pclk = clk_get(&pdev->dev, "pclk"); + if (IS_ERR(pclk)) { + dev_err(&pdev->dev, "no pclk defined\n"); + return PTR_ERR(pclk); + } + hclk = clk_get(&pdev->dev, "hclk"); + if (IS_ERR(hclk)) { + dev_err(&pdev->dev, "no hclk defined\n"); + clk_put(pclk); + return PTR_ERR(hclk); + } + + clk_enable(pclk); + clk_enable(hclk); + + dev_info(&pdev->dev, "Atmel Peripheral DMA Controller enabled\n"); + return 0; +} + +static struct platform_driver pdc_driver = { + .probe = pdc_probe, + .driver = { + .name = "pdc", + }, +}; + +static int __init pdc_init(void) +{ + return platform_driver_register(&pdc_driver); +} +arch_initcall(pdc_init); |